| Subject | Re: [PATCH 14/21] x86/xen: Support objtool vmlinux.o validation in xen-head.S | From | Jürgen Groß <> | Date | Fri, 15 Jan 2021 06:17:25 +0100 |
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On 14.01.21 20:40, Josh Poimboeuf wrote: > The Xen hypercall page is filled with zeros, causing objtool to fall > through all the empty hypercall functions until it reaches a real > function, resulting in a stack state mismatch. > > The build-time contents of the hypercall page don't matter, since it > gets mapped to the hypervisor.
This sentence is technically wrong: the contents don't matter, as the page will be rewritten by the hypervisor.
Juergen
[unhandled content-type:application/pgp-keys][unhandled content-type:application/pgp-signature] |